67685-79-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67685-79-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,6,8 and 5 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 67685-79:
(7*6)+(6*7)+(5*6)+(4*8)+(3*5)+(2*7)+(1*9)=184
184 % 10 = 4
So 67685-79-4 is a valid CAS Registry Number.